31215745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{19571}}^1$

素因数の和:19616

約数の個数: 16

約数和(自身を含む): 42275520

約数和(自身を除く): 11059775

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 19571, 97855, 215281, 567559, 1076405, 2837795, 6243149, 31215745]

約数ペア:

[(1, 31215745), (5, 6243149), (11, 2837795), (29, 1076405), (55, 567559), (145, 215281), (319, 97855), (1595, 19571)]